一些国外的SAS学习论坛（免费）

很好，不错！

thanks a lot, lz

哈哈   谢谢分享~~~~

楼主好心人那....

太好了  嘿嘿

楼主真是好人@

thank you it's very good

1# lyceum xiexielouzhu,

Thank you very much

thank  you